<!DOCTYPE html>
<html>
<head lang="en">
  <meta charset="UTF-8">
  <title>黑洞吸引</title>
  <style>
    html, body {
      width: 100%;
      height: 100%;
      margin: 0;
      padding: 0;
      -webkit-user-select: none;
      background-color: #0A3136;
    }

    .tips {
      position: absolute;
      top: 10px;
      left: 10px;
      color: #FFF;
      z-index: 10;
    }

    #cas {
      position: absolute;
      top: 0;
      right: 0;
      bottom: 0;
      left: 0;
      margin: auto;
    }
  </style>
</head>
<body oncontextmenu='return false'>
<span class="tips">click and create a blackhole，right-click delete the blackhole</span>
<canvas id="cas"></canvas>

<script src="../../public/stats.min.js"></script>
<script src="test.js"></script>
</body>
</html>